Sharp MD-MX30 Service Manual page 82
Md compact component system
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MD-MX30/MX30W
ICV01 VHiSTK40203-1: Power Amp. (STK40203)
Pre.
4
+VCC
R1
ch.1
1
IN
TR1
TR2
ch.1
2
NF
TR3
D1
R2
SUB
13
5
SUB
BIAS
GND
TR7
TR4
R6
C1
TR5
R3
TR8
R4
TR6
R5
R1
12
7
6
ch.1
ch.1
Pre.
-VE
+VE
-VCC
Figure 82-1 BLOCK DIAGRAM OF IC
– 82 –
TR9
TR11
R8
C2
TR14
TR12
R11
TR10
R12
TR13
R10
R9
10
11
ch.2
ch.2
+VE
-VE
+VCC
8
R13
TR15
TR16
R14
9
-VCC
14 15
ch.2
ch.2
NF
IN
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